Home / 1,299,855.71-1,793,196.42-841,118.54

Finding the Fourth Proportional to 1,299,855.71, 1,793,196.42 and 841,118.54

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Solution

The fourth proportional to 1,299,855.71, 1,793,196.42 and 841,118.54 is: 1,160,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,855.71 : 1,793,196.42 = 841,118.54 : x
  2. Step 2: Convert to fraction form
    1,299,855.71/1,793,196.42 = 841,118.54/x
  3. Step 3: Cross multiply
    1,299,855.71x = 1,793,196.42 × 841,118.54
  4. Step 4: Simplify right side
    1,299,855.71x = 1,508,290,759,206.62
  5. Step 5: Solve for x
    x = 1,508,290,759,206.62/1,299,855.71
  6. Step 6: Final answer
    x = 1,160,352.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.